FR373617A - Mandrin pour mèche à forer - Google Patents

Mandrin pour mèche à forer

Info

Publication number
FR373617A
FR373617A FR373617DA FR373617A FR 373617 A FR373617 A FR 373617A FR 373617D A FR373617D A FR 373617DA FR 373617 A FR373617 A FR 373617A
Authority
FR
France
Prior art keywords
mandrel
drill bit
drill
bit
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
Other languages
English (en)
French (fr)
Inventor
Gustave Petig
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
GUSTAVE PETIG
Original Assignee
GUSTAVE PETIG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by GUSTAVE PETIG filed Critical GUSTAVE PETIG
Application granted granted Critical
Publication of FR373617A publication Critical patent/FR373617A/fr
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B31/00—Chucks; Expansion mandrels; Adaptations thereof for remote control
    • B23B31/02—Chucks
    • B23B31/10—Chucks characterised by the retaining or gripping devices or their immediate operating means
    • B23B31/12—Chucks with simultaneously-acting jaws, whether or not also individually adjustable
    • B23B31/1207—Chucks with simultaneously-acting jaws, whether or not also individually adjustable moving obliquely to the axis of the chuck in a plane containing this axis
    • B23B31/1253—Jaws movement actuated by an axially movable member

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Earth Drilling (AREA)
FR373617D 1906-01-27 1907-01-16 Mandrin pour mèche à forer Expired FR373617A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE179160T 1906-01-27

Publications (1)

Publication Number Publication Date
FR373617A true FR373617A (fr) 1907-05-22

Family

ID=8894846

Family Applications (1)

Application Number Title Priority Date Filing Date
FR373617D Expired FR373617A (fr) 1906-01-27 1907-01-16 Mandrin pour mèche à forer

Country Status (2)

Country Link
DE (1) DE179160C (enrdf_load_stackoverflow)
FR (1) FR373617A (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE942728C (de) * 1942-03-12 1956-05-09 Jakob Helmich Zweibacken-Klemmfutter fuer Bohrer u. dgl. mit durch Federeinwirkung auseinandergehaltenen Klemmbacken
DE1957289C3 (de) * 1969-11-14 1981-11-19 Robert Bosch Gmbh, 7000 Stuttgart Spannfutter

Also Published As

Publication number Publication date
DE179160C (enrdf_load_stackoverflow)

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